CVE-2020-17438

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Summary

CVECVE-2020-17438
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-11 23:15:00 UTC
Updated2020-12-15 16:34:00 UTC
DescriptionAn issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. The code that reassembles fragmented packets fails to properly validate the total length of an incoming packet specified in its IP header, as well as the fragmentation offset value specified in the IP header. By crafting a packet with specific values of the IP header length and the fragmentation offset, attackers can write into the .bss section of the program (past the statically allocated buffer that is used for storing the fragmented data) and cause a denial of service in uip_reass() in uip.c, or possibly execute arbitrary code on some target architectures.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Contiki-os Contiki 3.0 All All All
Operating System Contiki-os Contiki 3.0 All All All
Application Uip Project Uip 1.0 All All All
Application Uip Project Uip 1.0 All All All

References

ReferenceSourceLinkTags
VU#815128 - Embedded TCP/IP stacks have memory corruption vulnerabilities MISC www.kb.cert.org Third Party Advisory, US Government Resource
Multiple Embedded TCP/IP Stacks | CISA MISC us-cert.cisa.gov Third Party Advisory, US Government Resource
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 174892 SUSE Enterprise Linux Security Update for open-iscsi (SUSE-SU-2021:1164-1)
  • 591123 Schneider Electric Modicon TM5 modules Multiple Vulnerabilities (SEVD-2021-285-06)
  • 670372 EulerOS Security Update for open-iscsi (EulerOS-SA-2021-1953)
  • 670393 EulerOS Security Update for open-iscsi (EulerOS-SA-2021-1932)
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